If you need a general idea of how the test works for reference:
JIS K 6380 is the Japanese Industrial Standard for Rubber Packing Material
, specifically providing a classification system for the physical properties of rubber materials used in industrial packings and similar products. The standard serves as a benchmark for manufacturers and engineers to specify rubber sheets based on their performance requirements, such as oil resistance, heat aging, and hardness. Intertek Inform Key Specifications and Scope The current version of this standard is JIS K 6380:2014 , which superseded the 1999 and 1994 versions. Intertek Inform Primary Focus
: Defines rubber materials for industrial packing applications. Exclusions : Explicitly excludes rubber materials for sponges, ebonite, and O-rings Technical Content
: The standard typically covers 20 pages and uses a classification system to help users select materials based on their functional and constructional properties. Intertek Inform Classification System
Materials under JIS K 6380 are classified using specific codes that indicate their primary features and test results: Typical Markers/Tests Basic Properties Hardness (Type A), Tensile Strength, Elongation Environmental
Heat aging resistance, Ozone resistance (Code O), Low-temperature test (Code J) Resistance
Oil resistance test (Code D/E), Water absorption, Flame resistance Physical Strength
Compression set (Code B), Tear test (Code H), Abrasion test (Code R) Common Materials Referenced Manufacturers like Togawa Rubber Tigers Polymer
often list their products with "Corresponding JIS K 6380" numbers to indicate compliance: NBR (Nitrile): High oil resistance; common for fuel-related packing. CR (Chloroprene/Neoprene): Excellent weather and chemical resistance. Silicone Rubber:
Notable for high heat and cold resistance (often -30°C to 100°C+). Natural Rubber: General-purpose industrial packing and buffers. Where to Find the PDF
Official copies of the JIS K 6380 standard are generally protected by copyright and must be purchased through authorized distributors: Japanese Standards Association (JSA): The official publisher of JIS standards. Intertek Inform: Provides the JIS K 6380:2014 1999 version in electronic format. GlobalSpec: Offers access to the standard classification of physical properties
For specific product compliance, you can often find technical data sheets (TDS) for rubber sheets from suppliers like Togawa Rubber
that summarize the JIS K 6380 test values for their specific compounds. 株式会社十川ゴム from a product data sheet? JIS K 6380:1999 Rubber packing material - Intertek Inform
JIS K 6380 is the Japanese Industrial Standard for Rubber Packing Materials, specifically focusing on the classification and performance requirements of rubber sheets used for gaskets and seals. It provides a standardized framework for manufacturers and engineers to select the appropriate rubber material based on its physical properties and intended application environment. Core Scope and Classification
The standard classifies rubber materials based on their physical properties, such as hardness and tensile strength, to ensure consistency across industrial products.
Hardness: Typically measured using the IRHD or Durometer methods (referenced as JIS K 6253-2 and 6253-3).
Tensile Properties: Defines requirements for tensile stress-strain properties and elongation at break (referenced as JIS K 6251).
Compression Set: Outlines the rubber's ability to return to its original thickness after prolonged compression at specific temperatures. Key Performance Indicators
Materials certified under JIS K 6380 are evaluated for several environmental and mechanical factors:
Heat Aging: Resistance to physical property changes when exposed to high temperatures over time. jis k 6380 pdf
Oil Resistance: The material's ability to resist swelling or deterioration when in contact with industrial oils (often tested against IRM903 test oil).
Chemical and Weather Resistance: Evaluation of how the rubber performs when exposed to alkalis, alcohols, amines, or outdoor weathering. Common Materials Used
Industrial suppliers like Togawa Rubber and Tigers Polymer often list products that comply with JIS K 6380, including:
CR (Chloroprene Rubber): Known for excellent weather and flame resistance.
NBR (Nitrile Rubber): Primarily used for its superior oil resistance.
EPDM: Often used for steam and outdoor applications due to its heat and ozone resistance. Versions and Availability
Latest Major Revision: The standard was notably updated in September 2014 (JIS K 6380:2014) and reaffirmed/approved in October 2019.
Access: You can find technical abstracts and excerpts in manufacturer catalogs like Tigers Polymer or purchase the full official document from the Japanese Standards Association (JSA) or GlobalSpec. RUBBER SHEET
JIS K 6380 is the Japanese Industrial Standard for Rubber Packing Materials, specifically defining the classification of physical properties for rubber materials used in industrial packings. Current Status and Availability
Latest Version: JIS K 6380:2014, which replaced the 1999 version.
Scope: It specifies the performance requirements for rubber materials used in industrial seals and packings, excluding sponge rubber, ebonite, and O-rings.
Testing Methods: The standard references other core rubber tests, such as: JIS K 6253: Hardness testing. JIS K 6257: Heat aging properties.
JIS K 6258: Effect of liquids (oil resistance using IRM903). PDF Resources and Technical Data
If you are looking for a PDF of the standard or technical datasheets based on it, you can refer to the following sources:
Official Purchase: Full PDF versions are generally paid documents available through the Japanese Standards Association (JSA) or distributors like Intertek Inform.
Manufacturer Summaries: Many manufacturers provide PDF catalogs that include abstracts and performance charts based on JIS K 6380:
Togawa Rubber Co.: Their Rubber Sheet Catalog includes specifications for CR, NBR, and Silicone sheets categorized by JIS K 6380 performance classes.
Tigers Polymer: Provides technical notes on rubber packing materials and their relation to JIS standards.
Reference Previews: You can view standard abstracts and classification tables on Kikakurui (Japanese language) or via document sharing sites like Scribd.
g., oil resistance or hardness levels) within this standard to match a material? JIS K 6380:1999 Rubber packing material - Intertek Inform If you need a general idea of how
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The JIS K 6380 standard, titled "Rubber packing material - Classification of physical properties," is a technical regulation established by the Japanese Standards Association (JSA). It provides a comprehensive classification system for rubber materials used in industrial packings and similar products. Scope and Purpose of JIS K 6380
This standard defines the performance classes and physical property requirements for vulcanized rubber materials. Its primary goal is to standardize how manufacturers and engineers categorize rubber based on its resistance to heat, oil, and mechanical stress.
Key Exclusions:While broad, JIS K 6380 explicitly excludes certain rubber forms: Sponge rubber Ebonite (hard rubber) O-rings (typically covered by JIS B 2401) Material Classifications
Industrial rubber sheets and packings are often labeled according to their corresponding JIS K 6380 performance class. Common materials categorized under this system include:
Natural Rubber (NR): Used for general-purpose industrial packing and floor mats where oil resistance is not required.
Nitrile Rubber (NBR): Highly valued for its excellent oil resistance.
Chloroprene Rubber (CR/Neoprene): Balanced for weather, heat, and flame resistance.
Silicone Rubber: Specialized for extreme temperature stability and electrical insulation.
Fluororubber (FKM): Known for superior chemical and high-temperature oil resistance. Core Testing Requirements
To comply with JIS K 6380, materials must undergo standardized tests defined by other JIS rubber standards:
Hardness: Measured using the Durometer or IRHD methods (JIS K 6253).
Tensile Stress-Strain: Evaluates the strength and elongation of the material (JIS K 6251).
Heat Ageing: Determines how the material degrades over time at high temperatures (JIS K 6257).
Effect of Liquids: Essential for determining oil resistance levels (JIS K 6258). How to Access the PDF JIS K 6380 is the Japanese Industrial Standard
The latest active version is JIS K 6380:2014, which superseded the 1999 edition. Official copies are not typically available for free due to copyright; however, they can be purchased or requested in electronic PDF format from the following sources: JIS K 6380:2014 Rubber packing material - Intertek Inform
JIS K 6380 standard, titled " Rubber packing material - Classification of physical properties
," defines the performance classes and requirements for rubber materials used in industrial packings and similar products. Afnor EDITIONS Core Content of JIS K 6380
The standard provides a systematic way to categorize rubber materials based on their physical characteristics. Key elements found in the document include: GlobalSpec Scope and Exclusions
: It covers rubber materials for general industrial packings but explicitly materials for sponges, ebonite, and O-rings. Classification System (Performance Class)
: Materials are classified using a specific coding system that indicates their intended use and physical limits. Physical Property Requirements
: It specifies standard values for critical performance metrics, including: Hardness (Type A) : Categorized by numeric codes (e.g., 40, 65). Tensile Strength : Minimum values measured in MPa. Elongation : Percentage of stretch at break. Compression Set
: Resistance to permanent deformation under specific temperature and time conditions (e.g., 100°C for 24 hours). Heat Resistance
: Changes in hardness, tensile strength, and elongation after aging. Oil Resistance
: Measured as the volume change percentage when exposed to test oils like IRM903. Material Designations
: The standard uses alphabetical codes to represent different materials, such as for CR, and for Natural Rubber. Intertek Inform Standard Evolution Current Version JIS K 6380:2014 , which superseded the 1999 version. Referenced Standards : It relies on other JIS testing methods, such as JIS K 6253 (hardness), JIS K 6251 (tensile stress-strain), and JIS K 6257 (heat ageing). Intertek Inform For practical application, manufacturers like Togawa Rubber Tigers Polymer
Based on the technical specifications and industry standards associated with JIS K 6380, I have compiled a comprehensive summary of its contents.
Note: JIS K 6380 is a Japanese Industrial Standard titled "Rubber, vulcanized or thermoplastic — Determination of hardness." It is the Japanese equivalent of ISO 48-4.
Below is the structured content breakdown of the standard, organized as if reviewing the actual PDF document.
Follow these steps to legally acquire a jis k 6380 pdf:
Warning: Avoid sites that offer the PDF for "free" in exchange for your email address; these are often data harvesting scams.
Many websites offer "summaries" or "equivalents" of JIS standards, but for legal compliance and accurate manufacturing, these are insufficient. Here is why obtaining the genuine jis k 6380 pdf is essential:
If you’ve ever specified, manufactured, or tested high-pressure rubber hoses, you’ve likely encountered the cryptic alphanumeric: JIS K 6380. But what makes this Japanese Industrial Standard so quietly essential?
A critical section details thickness tolerances:
Without the PDF, you would not have these exact numbers.